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There was an error opening this document. Access denied (when opening an encrypted PDF file with Acrobat Reader 10.x and later)
Technical Articles ID:   KB74299
Last Modified:  5/21/2019
Rated:

Environment

McAfee File and Removable Media Protection (FRP) 5.x, 4.3.x

Adobe Acrobat Reader 10.x and later

For details of FRP supported environments, see KB81149.

Problem

You see the following error when you try to open FRP-encrypted PDF files using Adobe Reader 10.x and later:

There was an error opening this document. Access denied

Cause

Acrobat Reader 10.x includes a new Protected Mode feature, enabled by default, to prevent security vulnerabilities.

For more information about Adobe Reader Protected Mode, see http://kb2.adobe.com/cps/860/cpsid_86063.html.

Solution

Open a support case with Adobe at http://www.adobe.com and request additional investigation.

In the interim, implement the following workaround.

Workaround

Disable Protected Mode in Adobe Reader 10:
  1. Click Edit, Preferences, General.
  2. In the left pane, deselect Enable Protected Mode At Startup.
  3. Close and reopen Adobe Reader.
Disable Protected Mode in Adobe Reader 11:
  1. Click Edit, Preferences, Security (Enhanced).
  2. In the right pane, deselect Enable Protected Mode At startup.
  3. Close and reopen Adobe Reader.

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